164809126098 has 24 divisors (see below), whose sum is σ = 359059300236. Its totient is φ = 54632858400.

The previous prime is 164809126091. The next prime is 164809126129. The reversal of 164809126098 is 890621908461.

164809126098 is a `hidden beast` number, since 1 + 6 + 480 + 9 + 12 + 60 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 134877704049 + 29931422049 = 367257^2 + 173007^2 .

It is not an unprimeable number, because it can be changed into a prime (164809126091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25289733 + ... + 25296248.

Almost surely, 2^164809126098 is an apocalyptic number.

164809126098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164809126098 is an abundant number, since it is smaller than the sum of its proper divisors (194250174138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164809126098 is a wasteful number, since it uses less digits than its factorization.

164809126098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50586170 (or 50586167 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 164809126098 in words is "one hundred sixty-four billion, eight hundred nine million, one hundred twenty-six thousand, ninety-eight".